body {
  margin: 0;
  width: 100%;
  font: 14px/1.5 "Helvetica Neue", Helvetica, Arial, "Microsoft Yahei", "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei", sans-serif;
}
html {
  font-size: 1vw;
  width: 100%;
}
.header {
  text-align: center;
  padding-top: 20px;
}
.header .price {
  font-size: 13rem;
  font-weight: bold;
}
.body {
  background-color: #fff;
  line-height: 30px;
  padding: 10px 15px;
  border-top: 1px solid #dddddd;
  border-bottom: 1px solid #dddddd;
}
.body:after {
  content: '';
  display: block;
  clear: both;
  height: 0;
  visibility: hidden;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
.container {
  text-align: center;
  padding: 0 15px;
}
.btn-success {
  padding: 12px;
  background-color: #04BE02;
  text-align: center;
  color: #fff;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-border-radius: 3px;
  -moz-border-radius: 3px;
  border-radius: 3px;
  display: inline-block;
  width: 100%;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  margin-top: 10px;
}
